Interesting tweet for rapid PCR test which are not accuratehttps://twitter.com/AATgirl/status/1527613653054148608
SEE: https://www.ctvnews.ca/health/coronavirus/do-covid-19-rapid-tests-work-on-omicron-1.5911241
“What we’re seeing with the Omicron variant and other variants is that false negatives are an issue.”
At the start of an infection, the Omicron variant tends to be most present in the throat, Barrett said. As the infection progresses, it begins to concentrate in the nasal area and later on, can even move down further into the respiratory tract, which might then produce a negative result, she said. This is why experts, including Barrett, suggest swabbing more than just the nose when using a rapid antigen test, despite manufacturer instructions.